Home / 18,205.52-27,286.13-9,865.76

Finding the Fourth Proportional to 18,205.52, 27,286.13 and 9,865.76

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Solution

The fourth proportional to 18,205.52, 27,286.13 and 9,865.76 is: 14,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.52 : 27,286.13 = 9,865.76 : x
  2. Step 2: Convert to fraction form
    18,205.52/27,286.13 = 9,865.76/x
  3. Step 3: Cross multiply
    18,205.52x = 27,286.13 × 9,865.76
  4. Step 4: Simplify right side
    18,205.52x = 269,198,298.14
  5. Step 5: Solve for x
    x = 269,198,298.14/18,205.52
  6. Step 6: Final answer
    x = 14,786.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.